package _07_串;

public class 面试题_01_09_字符串轮转 {


    public boolean isFlipedString(String s1, String s2) {
        if (s1 == null || s2 == null) return false;
        if (s1.length() != s2.length()) return false;
        return (s1 + s1).contains(s2);
    }

}
